diff --git a/lc3sim.c b/lc3sim.c
index dac7f7a..736fd7c 100644
--- a/lc3sim.c
+++ b/lc3sim.c
@@ -665,14 +665,14 @@ init_machine ()
     bzero (lc3_sym_hash, sizeof (lc3_sym_hash));
     clear_all_breakpoints ();
 
-    if (read_obj_file (INSTALL_DIR "/lc3os.obj", &os_start, &os_end) == -1) {
+    if (read_obj_file (INSTALL_DIR "/share/lc3tools/lc3os.obj", &os_start, &os_end) == -1) {
 	if (gui_mode)
 	    puts ("ERR {Failed to read LC-3 OS code.}");
 	else
 	    puts ("Failed to read LC-3 OS code.");
 	show_state_if_stop_visible ();
     } else {
-	if (read_sym_file (INSTALL_DIR "/lc3os.sym") == -1) {
+	if (read_sym_file (INSTALL_DIR "/share/lc3tools/lc3os.sym") == -1) {
 	    if (gui_mode)
 		puts ("ERR {Failed to read LC-3 OS symbols.}");
 	    else